Kernel: add ov4689 kernel driver

Bug 1600299

Change-Id: I63f4d597bcc8b960407a7291fde6aa2ddb5bec25
Signed-off-by: Ming Wong <miwong@nvidia.com>
Reviewed-on: http://git-master/r/674099
Reviewed-by: Winnie Hsu <whsu@nvidia.com>
GVS: Gerrit_Virtual_Submit

4 files changed, 1566 insertions, 0 deletions

diff --git a/drivers/media/platform/tegra/Kconfig b/drivers/media/platform/tegra/Kconfig
index 2b95077a2f2b..1bcd293e6260 100644
--- a/drivers/media/platform/tegra/Kconfig
+++ b/drivers/media/platform/tegra/Kconfig
@@ -127,6 +127,13 @@ config VIDEO_OV7695
           This is a driver for the OV7695 YUV camera sensor device
           This sensor has external ISP, it isn't using tegra ISP.
 
+config VIDEO_OV4689
+        tristate "OV4689 camera sensor support"
+        depends on I2C && ARCH_TEGRA
+        ---help---
+          This is a driver for the OV4689 camera sensor
+          for use with the tegra isp.
+
 config TORCH_SSL3250A
         tristate "SSL3250A flash/torch support"
         depends on I2C && ARCH_TEGRA
diff --git a/drivers/media/platform/tegra/Makefile b/drivers/media/platform/tegra/Makefile
index 7a3b491cd7db..6c205b2ed0e1 100644
--- a/drivers/media/platform/tegra/Makefile
+++ b/drivers/media/platform/tegra/Makefile
@@ -43,4 +43,5 @@ obj-$(CONFIG_VIDEO_OV5693)	+= ov5693.o
 obj-$(CONFIG_VIDEO_AD5823)	+= ad5823.o
 obj-$(CONFIG_VIDEO_OV7695)	+= ov7695.o
 obj-$(CONFIG_VIDEO_MT9M114)	+= mt9m114.o
+obj-$(CONFIG_VIDEO_OV4689)	+= ov4689.o
 obj-$(CONFIG_VIDEO_CAMERA)	+= camera.o
diff --git a/drivers/media/platform/tegra/ov4689.c b/drivers/media/platform/tegra/ov4689.c
new file mode 100644
index 000000000000..435322f69cc5
--- /dev/null
+++ b/drivers/media/platform/tegra/ov4689.c
@@ -0,0 +1,993 @@
+/*
+ * ov4682.c - ov4682 sensor driver
+ *
+ * Copyright (c) 2015, NVIDIA CORPORATION, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/i2c.h>
+#include <linux/clk.h>
+#include <linux/miscdevice.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
+#include <media/ov4689.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+
+#include "nvc_utilities.h"
+
+#include "ov4689_tables.h"
+
+#define MAX_BUFFER_SIZE 32
+
+/* Frame length: R0x380e~R0x380f */
+#define OV4689_NUM_BYTES_FL (2)
+/* Coarse time: R0x3500~R0x3502 */
+#define OV4689_NUM_BYTES_CT (3)
+/* Gain: R0x3508~R0x3509 */
+#define OV4689_NUM_BYTES_GAIN (2)
+/* Num of regs in override list */
+#define OV4689_NUM_BYTES_OVERRIDES (OV4689_NUM_BYTES_FL + \
+		OV4689_NUM_BYTES_CT + \
+		OV4689_NUM_BYTES_GAIN)
+
+#define OV4689_SUPPORT_SENSORID (1)
+#define OV4689_SUPPORT_EEPROM (0)
+#define OV4689_SUPPORT_DEBUGFS (1)
+
+struct ov4689_info {
+	struct miscdevice		miscdev_info;
+	int				mode;
+	struct ov4689_power_rail	power;
+	struct ov4689_sensordata	sensor_data;
+	struct i2c_client		*i2c_client;
+	struct ov4689_platform_data	*pdata;
+	struct clk			*mclk;
+	struct regmap			*regmap;
+#if OV4689_SUPPORT_DEBUGFS
+	struct dentry			*debugdir;
+#endif
+	atomic_t			in_use;
+#if OV4689_SUPPORT_EEPROM
+	struct ov4689_eeprom_data eeprom[ov4689_EEPROM_NUM_BLOCKS];
+	u8 eeprom_buf[ov4689_EEPROM_SIZE];
+#endif
+};
+
+static const struct regmap_config sensor_regmap_config = {
+	.reg_bits = 16,
+	.val_bits = 8,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static inline void
+msleep_range(unsigned int delay_base)
+{
+	usleep_range(delay_base*1000, delay_base*1000+500);
+}
+
+static inline void ov4689_get_frame_length_regs(struct ov4689_reg *regs,
+				u32 frame_length)
+{
+	/* 2 registers for FL, i.e., 2-byte FL */
+	regs->addr = 0x380e;
+	regs->val = (frame_length >> 8) & 0xff;
+	(regs + 1)->addr = 0x380f;
+	(regs + 1)->val = (frame_length) & 0xff;
+}
+
+static inline void ov4689_get_coarse_time_regs(struct ov4689_reg *regs,
+				u32 coarse_time)
+{
+	/* 3 registers for CT, i.e., 3-byte CT */
+	regs->addr = 0x3500;
+	regs->val = (coarse_time >> 12) & 0xff;
+	(regs + 1)->addr = 0x3501;
+	(regs + 1)->val = (coarse_time >> 4) & 0xff;
+	(regs + 2)->addr = 0x3502;
+	(regs + 2)->val = (coarse_time & 0xf) << 4;
+}
+
+static inline void ov4689_get_gain_reg(struct ov4689_reg *regs,
+				u16 gain)
+{
+	/* 2 register for gain, i.e., 2-byte gain */
+	regs->addr = 0x3508;
+	regs->val = (gain >> 8) & 0xff;
+	(regs + 1)->addr = 0x3509;
+	(regs + 1)->val = gain & 0xff;
+}
+
+static inline int ov4689_read_reg(struct ov4689_info *info,
+				u16 addr, u8 *val)
+{
+	return regmap_read(info->regmap, addr, (unsigned int *) val);
+}
+
+static int ov4689_write_reg(struct ov4689_info *info, u16 addr, u8 val)
+{
+	int err;
+
+	err = regmap_write(info->regmap, addr, val);
+
+	if (err)
+		pr_err("%s:i2c write failed, %x = %x\n",
+			__func__, addr, val);
+
+	return err;
+}
+
+static int ov4689_write_table(struct ov4689_info *info,
+				const struct ov4689_reg table[],
+				const struct ov4689_reg override_list[],
+				int num_override_regs)
+{
+	int err;
+	const struct ov4689_reg *next;
+	int i;
+	u16 val;
+
+	for (next = table; next->addr != OV4689_TABLE_END; next++) {
+		if (next->addr == OV4689_TABLE_WAIT_MS) {
+			msleep_range(next->val);
+			continue;
+		}
+
+		val = next->val;
+
+		/* When an override list is passed in, replace the reg */
+		/* value to write if the reg is in the list            */
+		if (override_list) {
+			for (i = 0; i < num_override_regs; i++) {
+				if (next->addr == override_list[i].addr) {
+					val = override_list[i].val;
+					break;
+				}
+			}
+		}
+
+		err = ov4689_write_reg(info, next->addr, val);
+		if (err) {
+			pr_err("%s:ov4689_write_table:%d", __func__, err);
+			return err;
+		}
+	}
+	return 0;
+}
+
+static int ov4689_set_mode(struct ov4689_info *info, struct ov4689_mode *mode)
+{
+	int sensor_mode;
+	int err;
+	struct ov4689_reg reg_list[OV4689_NUM_BYTES_OVERRIDES];
+
+	if ((mode->xres == 2688 && mode->yres == 1520) ||
+		(mode->xres == 2688 && mode->yres == 1504)) {
+		sensor_mode = OV4689_MODE_2688x1520;
+		pr_info("ov4689_set_mode 2688x1520\n");
+	} else if (mode->xres == 1920 && mode->yres == 1080) {
+		sensor_mode = OV4689_MODE_1920x1080;
+		pr_info("ov4689_set_mode 1920x1080\n");
+	} else {
+		pr_err("There is no this resolution no support %dX%d!!",
+			mode->xres, mode->yres);
+		return 1;
+	}
+
+	/* get a list of override regs for the asking frame length, */
+	/* coarse integration time, and gain. */
+	ov4689_get_frame_length_regs(reg_list, mode->frame_length);
+	ov4689_get_coarse_time_regs(reg_list + OV4689_NUM_BYTES_FL,
+				mode->coarse_time);
+	ov4689_get_gain_reg(reg_list + OV4689_NUM_BYTES_FL +
+				OV4689_NUM_BYTES_CT, mode->gain);
+
+	err = ov4689_write_table(info, mode_table[sensor_mode],
+				reg_list, OV4689_NUM_BYTES_OVERRIDES);
+
+	info->mode = sensor_mode;
+
+	pr_info("[ov4689]: stream on.\n");
+	return 0;
+}
+
+static int ov4689_get_status(struct ov4689_info *info, u8 *dev_status)
+{
+	*dev_status = 0;
+	return 0;
+}
+
+static int ov4689_set_frame_length(struct ov4689_info *info, u32 frame_length,
+				bool group_hold)
+{
+	struct ov4689_reg reg_list[OV4689_NUM_BYTES_FL];
+	int i = 0;
+	int ret;
+
+	ov4689_get_frame_length_regs(reg_list, frame_length);
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x00);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < OV4689_NUM_BYTES_FL; i++) {
+		ret = ov4689_write_reg(info, reg_list[i].addr,
+			 reg_list[i].val);
+		if (ret)
+			return ret;
+	}
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x10);
+		if (ret)
+			return ret;
+		ret = ov4689_write_reg(info, 0x3208, 0xA0);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int ov4689_set_coarse_time(struct ov4689_info *info, u32 coarse_time,
+				bool group_hold)
+{
+	int ret;
+
+	struct ov4689_reg reg_list[OV4689_NUM_BYTES_CT];
+	int i = 0;
+
+	ov4689_get_coarse_time_regs(reg_list, coarse_time);
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x00);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < OV4689_NUM_BYTES_CT; i++) {
+		ret = ov4689_write_reg(info, reg_list[i].addr,
+			 reg_list[i].val);
+		if (ret)
+			return ret;
+	}
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x10);
+		if (ret)
+			return ret;
+		ret = ov4689_write_reg(info, 0x3208, 0xA0);
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+static int ov4689_set_gain(struct ov4689_info *info, u16 gain,
+				bool group_hold)
+{
+	int ret, i;
+	struct ov4689_reg reg_list[OV4689_NUM_BYTES_GAIN];
+
+	ov4689_get_gain_reg(reg_list, gain);
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x00);
+		if (ret)
+			return ret;
+	}
+
+	/* writing 1-byte gain */
+	for (i = 0; i < OV4689_NUM_BYTES_GAIN; i++) {
+		ret = ov4689_write_reg(info, reg_list[i].addr,
+			 reg_list[i].val);
+		if (ret)
+			return ret;
+	}
+
+	if (group_hold) {
+		ret = ov4689_write_reg(info, 0x3208, 0x10);
+		if (ret)
+			return ret;
+		ret = ov4689_write_reg(info, 0x3208, 0xA0);
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+static int ov4689_set_group_hold(struct ov4689_info *info,
+
+				struct ov4689_grouphold *ae)
+{
+	int ret;
+	int count = 0;
+	bool group_hold_enabled = false;
+
+	if (ae->gain_enable)
+		count++;
+	if (ae->coarse_time_enable)
+		count++;
+	if (ae->frame_length_enable)
+		count++;
+	if (count >= 2)
+		group_hold_enabled = true;
+
+	if (group_hold_enabled) {
+		ret = ov4689_write_reg(info, 0x3208, 0x00);
+		if (ret)
+			return ret;
+	}
+
+	if (ae->gain_enable)
+		ov4689_set_gain(info, ae->gain, false);
+	if (ae->coarse_time_enable)
+		ov4689_set_coarse_time(info, ae->coarse_time, false);
+	if (ae->frame_length_enable)
+		ov4689_set_frame_length(info, ae->frame_length, false);
+
+	if (group_hold_enabled) {
+		ret = ov4689_write_reg(info, 0x3208, 0x10);
+		if (ret)
+			return ret;
+		ret = ov4689_write_reg(info, 0x3208, 0xA0);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+#if OV4689_SUPPORT_SENSORID
+static int ov4689_get_sensor_id(struct ov4689_info *info)
+{
+	int ret = 0;
+	int i;
+	u8 bak = 0;
+
+	pr_info("%s\n", __func__);
+	if (info->sensor_data.fuse_id_size)
+		return 0;
+
+	/* select bank 31 */
+	ov4689_write_reg(info, 0x3d84, 31);
+	for (i = 0; i < 8; i++) {
+		ret |= ov4689_read_reg(info, 0x300A + i, &bak);
+		info->sensor_data.fuse_id[i] = bak;
+	}
+
+	if (!ret)
+		info->sensor_data.fuse_id_size = 2;
+
+	return ret;
+}
+#endif
+
+static void ov4689_mclk_disable(struct ov4689_info *info)
+{
+	dev_dbg(&info->i2c_client->dev, "%s: disable MCLK\n", __func__);
+	clk_disable_unprepare(info->mclk);
+}
+
+static int ov4689_mclk_enable(struct ov4689_info *info)
+{
+	int err;
+	unsigned long mclk_init_rate = 24000000;
+
+	dev_info(&info->i2c_client->dev, "%s: enable MCLK with %lu Hz\n",
+		__func__, mclk_init_rate);
+
+	err = clk_set_rate(info->mclk, mclk_init_rate);
+	if (!err)
+		err = clk_prepare_enable(info->mclk);
+	return err;
+}
+
+#if OV4689_SUPPORT_EEPROM
+static int ov4689_eeprom_device_release(struct ov4689_info *info)
+{
+	int i;
+
+	for (i = 0; i < ov4689_EEPROM_NUM_BLOCKS; i++) {
+		if (info->eeprom[i].i2c_client != NULL) {
+			i2c_unregister_device(info->eeprom[i].i2c_client);
+			info->eeprom[i].i2c_client = NULL;
+		}
+	}
+
+	return 0;
+}
+
+static int ov4689_eeprom_device_init(struct ov4689_info *info)
+{
+	char *dev_name = "eeprom_ov4689";
+	static struct regmap_config eeprom_regmap_config = {
+		.reg_bits = 8,
+		.val_bits = 8,
+	};
+	int i;
+	int err;
+
+	for (i = 0; i < ov4689_EEPROM_NUM_BLOCKS; i++) {
+		info->eeprom[i].adap = i2c_get_adapter(
+				info->i2c_client->adapter->nr);
+		memset(&info->eeprom[i].brd, 0, sizeof(info->eeprom[i].brd));
+		strncpy(info->eeprom[i].brd.type, dev_name,
+				sizeof(info->eeprom[i].brd.type));
+		info->eeprom[i].brd.addr = ov4689_EEPROM_ADDRESS + i;
+		info->eeprom[i].i2c_client = i2c_new_device(
+				info->eeprom[i].adap, &info->eeprom[i].brd);
+
+		info->eeprom[i].regmap = devm_regmap_init_i2c(
+			info->eeprom[i].i2c_client, &eeprom_regmap_config);
+		if (IS_ERR(info->eeprom[i].regmap)) {
+			err = PTR_ERR(info->eeprom[i].regmap);
+			ov4689_eeprom_device_release(info);
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+static int ov4689_read_eeprom(struct ov4689_info *info,
+				u8 reg, u16 length, u8 *buf)
+{
+	return regmap_raw_read(info->eeprom[0].regmap, reg, &buf[reg], length);
+}
+
+static int ov4689_write_eeprom(struct ov4689_info *info,
+				u16 addr, u8 val)
+{
+	return regmap_write(info->eeprom[addr >> 8].regmap, addr & 0xFF, val);
+}
+#endif
+
+static long OV4689_IOCTL(struct file *file,
+				unsigned int cmd, unsigned long arg)
+{
+	int err = 0;
+	struct ov4689_info *info = file->private_data;
+
+	switch (_IOC_NR(cmd)) {
+	case _IOC_NR(OV4689_IOCTL_SET_POWER):
+		if (!info->pdata)
+			break;
+		if (arg && info->pdata->power_on) {
+			err = ov4689_mclk_enable(info);
+			if (!err)
+				err = info->pdata->power_on(&info->power);
+			if (err < 0)
+				ov4689_mclk_disable(info);
+		}
+		if (!arg && info->pdata->power_off) {
+			info->pdata->power_off(&info->power);
+			ov4689_mclk_disable(info);
+		}
+		break;
+	case _IOC_NR(OV4689_IOCTL_SET_MODE):
+	{
+		struct ov4689_mode mode;
+		if (copy_from_user(&mode, (const void __user *)arg,
+			sizeof(struct ov4689_mode))) {
+			pr_err("%s:Failed to get mode from user.\n", __func__);
+			return -EFAULT;
+		}
+		return ov4689_set_mode(info, &mode);
+	}
+	case _IOC_NR(OV4689_IOCTL_SET_FRAME_LENGTH):
+		return ov4689_set_frame_length(info, (u32)arg, true);
+	case _IOC_NR(OV4689_IOCTL_SET_COARSE_TIME):
+		return ov4689_set_coarse_time(info, (u32)arg, true);
+	case _IOC_NR(OV4689_IOCTL_SET_GAIN):
+		return ov4689_set_gain(info, (u16)arg, true);
+	case _IOC_NR(OV4689_IOCTL_GET_STATUS):
+	{
+		u8 status;
+
+		err = ov4689_get_status(info, &status);
+		if (err)
+			return err;
+		if (copy_to_user((void __user *)arg, &status, 1)) {
+			pr_err("%s:Failed to copy status to user\n", __func__);
+			return -EFAULT;
+		}
+		return 0;
+	}
+#if OV4689_SUPPORT_SENSORID
+	case _IOC_NR(OV4689_IOCTL_GET_SENSORDATA):
+	{
+		err = ov4689_get_sensor_id(info);
+
+		if (err) {
+			pr_err("%s:Failed to get fuse id info.\n", __func__);
+			return err;
+		}
+		if (copy_to_user((void __user *)arg, &info->sensor_data,
+				sizeof(struct ov4689_sensordata))) {
+			pr_info("%s:Failed to copy fuse id to user space\n",
+				__func__);
+			return -EFAULT;
+		}
+		return 0;
+	}
+#endif
+	case _IOC_NR(OV4689_IOCTL_SET_GROUP_HOLD):
+	{
+		struct ov4689_grouphold grouphold;
+		if (copy_from_user(&grouphold, (const void __user *)arg,
+			sizeof(struct ov4689_grouphold))) {
+			pr_info("%s:fail group hold\n", __func__);
+			return -EFAULT;
+		}
+		return ov4689_set_group_hold(info, &grouphold);
+	}
+#if OV4689_SUPPORT_EEPROM
+	/* there is actually one of them really in use
+		NVC_IOCTL_GET_EEPROM_DATA
+	or
+		OV4689_IOCTL_GET_SENSORDATA (legacy?)
+	*/
+	case _IOC_NR(NVC_IOCTL_GET_EEPROM_DATA):
+	{
+		ov4689_read_eeprom(info,
+			0,
+			ov4689_EEPROM_SIZE,
+			info->eeprom_buf);
+
+		if (copy_to_user((void __user *)arg,
+			info->eeprom_buf, ov4689_EEPROM_SIZE)) {
+			dev_err(&info->i2c_client->dev,
+				"%s:Failed to copy status to user\n",
+				__func__);
+			return -EFAULT;
+		}
+		return 0;
+	}
+
+	case _IOC_NR(NVC_IOCTL_SET_EEPROM_DATA):
+	{
+		int i;
+		if (copy_from_user(info->eeprom_buf,
+			(const void __user *)arg, ov4689_EEPROM_SIZE)) {
+			dev_err(&info->i2c_client->dev,
+					"%s:Failed to read from user buffer\n",
+					__func__);
+			return -EFAULT;
+		}
+		for (i = 0; i < ov4689_EEPROM_SIZE; i++) {
+			ov4689_write_eeprom(info,
+				i,
+				info->eeprom_buf[i]);
+			msleep(20);
+		}
+		return 0;
+	}
+#endif
+
+	default:
+		pr_err("%s:unknown cmd.\n", __func__);
+		err = -EINVAL;
+	}
+
+	return err;
+}
+
+#if OV4689_SUPPORT_DEBUGFS
+static int ov4689_debugfs_show(struct seq_file *s, void *unused)
+{
+	struct ov4689_info *dev = s->private;
+
+	dev_dbg(&dev->i2c_client->dev, "%s: ++\n", __func__);
+
+	return 0;
+}
+
+static ssize_t ov4689_debugfs_write(struct file *file, char const __user *buf,
+				size_t count, loff_t *offset)
+{
+	struct ov4689_info *dev =
+			((struct seq_file *)file->private_data)->private;
+	struct i2c_client *i2c_client = dev->i2c_client;
+	int ret = 0;
+	char buffer[MAX_BUFFER_SIZE];
+	u32 address;
+	u32 data;
+	u8 readback;
+
+	dev_dbg(&i2c_client->dev, "%s: ++\n", __func__);
+
+	if (copy_from_user(&buffer, buf, sizeof(buffer)))
+		goto debugfs_write_fail;
+
+	if (sscanf(buf, "0x%x 0x%x", &address, &data) == 2)
+		goto set_attr;
+	if (sscanf(buf, "0X%x 0X%x", &address, &data) == 2)
+		goto set_attr;
+	if (sscanf(buf, "%d %d", &address, &data) == 2)
+		goto set_attr;
+
+	if (sscanf(buf, "0x%x 0x%x", &address, &data) == 1)
+		goto read;
+	if (sscanf(buf, "0X%x 0X%x", &address, &data) == 1)
+		goto read;
+	if (sscanf(buf, "%d %d", &address, &data) == 1)
+		goto read;
+
+	dev_err(&i2c_client->dev, "SYNTAX ERROR: %s\n", buf);
+	return -EFAULT;
+
+set_attr:
+	dev_info(&i2c_client->dev,
+			"new address = %x, data = %x\n", address, data);
+	ret |= ov4689_write_reg(dev, address, data);
+read:
+	ret |= ov4689_read_reg(dev, address, &readback);
+	dev_dbg(&i2c_client->dev,
+			"wrote to address 0x%x with value 0x%x\n",
+			address, readback);
+
+	if (ret)
+		goto debugfs_write_fail;
+
+	return count;
+
+debugfs_write_fail:
+	dev_err(&i2c_client->dev,
+			"%s: test pattern write failed\n", __func__);
+	return -EFAULT;
+}
+
+static int ov4689_debugfs_open(struct inode *inode, struct file *file)
+{
+	struct ov4689_info *dev = inode->i_private;
+	struct i2c_client *i2c_client = dev->i2c_client;
+
+	dev_dbg(&i2c_client->dev, "%s: ++\n", __func__);
+
+	return single_open(file, ov4689_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations ov4689_debugfs_fops = {
+	.open		= ov4689_debugfs_open,
+	.read		= seq_read,
+	.write		= ov4689_debugfs_write,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static void ov4689_remove_debugfs(struct ov4689_info *dev)
+{
+	struct i2c_client *i2c_client = dev->i2c_client;
+
+	dev_dbg(&i2c_client->dev, "%s: ++\n", __func__);
+
+	debugfs_remove_recursive(dev->debugdir);
+	dev->debugdir = NULL;
+}
+
+static void ov4689_create_debugfs(struct ov4689_info *dev)
+{
+	struct dentry *ret;
+	struct i2c_client *i2c_client = dev->i2c_client;
+
+	dev_dbg(&i2c_client->dev, "%s\n", __func__);
+
+	dev->debugdir =
+		debugfs_create_dir(dev->miscdev_info.this_device->kobj.name,
+							NULL);
+	if (!dev->debugdir)
+		goto remove_debugfs;
+
+	ret = debugfs_create_file("d",
+				S_IWUSR | S_IRUGO,
+				dev->debugdir, dev,
+				&ov4689_debugfs_fops);
+	if (!ret)
+		goto remove_debugfs;
+
+	return;
+remove_debugfs:
+	dev_err(&i2c_client->dev, "couldn't create debugfs\n");
+	ov4689_remove_debugfs(dev);
+}
+#endif
+
+static int ov4689_power_on(struct ov4689_power_rail *pw)
+{
+	struct ov4689_info *info = container_of(pw, struct ov4689_info, power);
+
+	gpio_set_value(info->pdata->reset_gpio, 0);
+	usleep_range(10, 20);
+	gpio_set_value(info->pdata->reset_gpio, 1);
+	usleep_range(1000, 1100);
+
+	return 0;
+}
+
+static int ov4689_power_off(struct ov4689_power_rail *pw)
+{
+	struct ov4689_info *info = container_of(pw, struct ov4689_info, power);
+
+	gpio_set_value(info->pdata->reset_gpio, 0);
+	return 0;
+}
+
+static int ov4689_open(struct inode *inode, struct file *file)
+{
+	struct miscdevice	*miscdev = file->private_data;
+	struct ov4689_info *info;
+
+	info = container_of(miscdev, struct ov4689_info, miscdev_info);
+	/* check if the device is in use */
+	if (atomic_xchg(&info->in_use, 1)) {
+		pr_info("%s:BUSY!\n", __func__);
+		return -EBUSY;
+	}
+
+	file->private_data = info;
+
+	return 0;
+}
+
+static int ov4689_release(struct inode *inode, struct file *file)
+{
+	struct ov4689_info *info = file->private_data;
+
+	file->private_data = NULL;
+
+	/* warn if device is already released */
+	WARN_ON(!atomic_xchg(&info->in_use, 0));
+
+	return 0;
+}
+
+static int ov4689_power_put(struct ov4689_power_rail *pw)
+{
+	if (unlikely(!pw))
+		return -EFAULT;
+
+	if (likely(pw->avdd))
+		regulator_put(pw->avdd);
+
+	if (likely(pw->iovdd))
+		regulator_put(pw->iovdd);
+
+	if (likely(pw->dvdd))
+		regulator_put(pw->dvdd);
+
+	pw->avdd = NULL;
+	pw->iovdd = NULL;
+	pw->dvdd = NULL;
+
+	return 0;
+}
+
+static int ov4689_regulator_get(struct ov4689_info *info,
+	struct regulator **vreg, char vreg_name[])
+{
+	struct regulator *reg = NULL;
+	int err = 0;
+
+	reg = regulator_get(&info->i2c_client->dev, vreg_name);
+	if (unlikely(IS_ERR(reg))) {
+		dev_err(&info->i2c_client->dev, "%s %s ERR: %d\n",
+			__func__, vreg_name, (int)reg);
+		err = PTR_ERR(reg);
+		reg = NULL;
+	} else
+		dev_dbg(&info->i2c_client->dev, "%s: %s\n",
+			__func__, vreg_name);
+
+	*vreg = reg;
+	return err;
+}
+
+static int ov4689_power_get(struct ov4689_info *info)
+{
+	struct ov4689_power_rail *pw = &info->power;
+	int err = 0;
+
+	err |= ov4689_regulator_get(info, &pw->avdd, "vana"); /* ananlog 2.7v */
+	err |= ov4689_regulator_get(info, &pw->dvdd, "vdig"); /* digital 1.2v */
+	err |= ov4689_regulator_get(info, &pw->iovdd, "vif"); /* IO 1.8v */
+
+	return err;
+}
+
+static const struct file_operations ov4689_fileops = {
+	.owner = THIS_MODULE,
+	.open = ov4689_open,
+	.unlocked_ioctl = OV4689_IOCTL,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = OV4689_IOCTL,
+#endif
+	.release = ov4689_release,
+};
+
+static struct miscdevice ov4689_device = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = "ov4689",
+	.fops = &ov4689_fileops,
+};
+
+static struct ov4689_platform_data *ov4689_parse_dt(struct i2c_client *client)
+{
+	struct device_node *np = client->dev.of_node;
+	struct ov4689_platform_data *board_info_pdata;
+
+	board_info_pdata = devm_kzalloc(&client->dev, sizeof(*board_info_pdata),
+			GFP_KERNEL);
+	if (!board_info_pdata) {
+		dev_err(&client->dev, "Failed to allocate pdata\n");
+		return NULL;
+	}
+
+	of_property_read_string(np, "clocks", &board_info_pdata->mclk_name);
+	board_info_pdata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0);
+
+	board_info_pdata->power_on = ov4689_power_on;
+	board_info_pdata->power_off = ov4689_power_off;
+
+	return board_info_pdata;
+}
+
+static int ov4689_probe(struct i2c_client *client,
+				const struct i2c_device_id *id)
+{
+	struct ov4689_info *info;
+	int err;
+	const char *mclk_name;
+
+	pr_info("[ov4689]: probing sensor.\n");
+
+	info = devm_kzalloc(&client->dev,
+			sizeof(struct ov4689_info), GFP_KERNEL);
+	if (!info) {
+		pr_err("%s:Unable to allocate memory!\n", __func__);
+		return -ENOMEM;
+	}
+
+	info->regmap = devm_regmap_init_i2c(client, &sensor_regmap_config);
+	if (IS_ERR(info->regmap)) {
+		dev_err(&client->dev,
+			"regmap init failed: %ld\n", PTR_ERR(info->regmap));
+		return -ENODEV;
+	}
+
+	if (client->dev.of_node)
+		info->pdata = ov4689_parse_dt(client);
+	else
+		info->pdata = client->dev.platform_data;
+
+	if (!info->pdata) {
+		pr_err("[ov4689]:%s:Unable to get platform data\n", __func__);
+		return -EFAULT;
+	}
+
+	gpio_request_one(info->pdata->reset_gpio, GPIOF_OUT_INIT_LOW,
+			"reset_gpio");
+
+	info->i2c_client = client;
+	atomic_set(&info->in_use, 0);
+	info->mode = -1;
+
+	mclk_name = info->pdata->mclk_name ?
+		    info->pdata->mclk_name : "default_mclk";
+	info->mclk = devm_clk_get(&client->dev, mclk_name);
+	if (IS_ERR(info->mclk)) {
+		dev_err(&client->dev, "%s: unable to get clock %s\n",
+			__func__, mclk_name);
+		return PTR_ERR(info->mclk);
+	}
+
+	ov4689_power_get(info);
+
+	memcpy(&info->miscdev_info,
+		&ov4689_device,
+		sizeof(struct miscdevice));
+
+	err = misc_register(&info->miscdev_info);
+	if (err) {
+		pr_err("%s:Unable to register misc device!\n", __func__);
+		goto ov4689_probe_fail;
+	}
+
+	i2c_set_clientdata(client, info);
+
+#if OV4689_SUPPORT_EEPROM
+	/* eeprom interface */
+	err = ov4689_eeprom_device_init(info);
+	if (err) {
+		dev_err(&client->dev,
+			"Failed to allocate eeprom register map: %d\n", err);
+		return err;
+	}
+#endif
+
+#if OV4689_SUPPORT_DEBUGFS
+	/* create debugfs interface */
+	ov4689_create_debugfs(info);
+#endif
+	return 0;
+
+ov4689_probe_fail:
+	ov4689_power_put(&info->power);
+
+	return err;
+}
+
+static int ov4689_remove(struct i2c_client *client)
+{
+	struct ov4689_info *info;
+	info = i2c_get_clientdata(client);
+	misc_deregister(&ov4689_device);
+
+	ov4689_power_put(&info->power);
+
+#if OV4689_SUPPORT_DEBUGFS
+	ov4689_remove_debugfs(info);
+#endif
+
+#if OV4689_SUPPORT_EEPROM
+	ov4689_eeprom_device_release(info);
+#endif
+	return 0;
+}
+
+static const struct i2c_device_id ov4689_id[] = {
+	{ "ov4689", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, ov4689_id);
+
+static struct i2c_driver ov4689_i2c_driver = {
+	.driver = {
+		.name = "ov4689",
+		.owner = THIS_MODULE,
+	},
+	.probe = ov4689_probe,
+	.remove = ov4689_remove,
+	.id_table = ov4689_id,
+};
+
+
+static int __init
+ov4689_init(void)
+{
+	pr_info("[ov4689] sensor driver loading\n");
+	return i2c_add_driver(&ov4689_i2c_driver);
+}
+
+static void __exit
+ov4689_exit(void)
+{
+	i2c_del_driver(&ov4689_i2c_driver);
+}
+
+module_init(ov4689_init);
+module_exit(ov4689_exit);
diff --git a/drivers/media/platform/tegra/ov4689_tables.h b/drivers/media/platform/tegra/ov4689_tables.h
new file mode 100644
index 000000000000..7233d60ad311
--- /dev/null
+++ b/drivers/media/platform/tegra/ov4689_tables.h
@@ -0,0 +1,565 @@
+/*
+ * ov4689_tables.h
+ *
+ * Copyright (c) 2015, NVIDIA CORPORATION, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OV4689_I2C_TABLES
+#define OV4689_I2C_TABLES
+
+struct ov4689_reg {
+	u16 addr;
+	u16 val;
+};
+
+#define OV4689_TABLE_WAIT_MS 0
+#define OV4689_TABLE_END 1
+
+static struct ov4689_reg ov4689_mode_2688x1520_initial[] = {
+	{0x0103, 0x01},
+	{0x3638, 0x00},
+	{0x0300, 0x00},
+	/* 1008Mbps MIPI_CLK */
+	{0x0302, 0x2a},
+	{0x0304, 0x03},
+	{0x030b, 0x00},
+	{0x030d, 0x1e},
+	{0x030e, 0x04},
+	{0x030f, 0x01},
+	{0x0312, 0x01},
+	{0x031e, 0x00},
+	{0x3000, 0x20},
+	{0x3002, 0x00},
+	{0x3018, 0x72},
+	{0x3020, 0x93},
+	{0x3021, 0x03},
+	{0x3022, 0x01},
+	{0x3031, 0x0a},
+	{0x303f, 0x0c},
+	{0x3305, 0xf1},
+	{0x3307, 0x04},
+	{0x3309, 0x29},
+	{0x3500, 0x00},
+	{0x3501, 0x60},
+	{0x3502, 0x00},
+	{0x3503, 0x04},
+	{0x3504, 0x00},
+	{0x3505, 0x00},
+	{0x3506, 0x00},
+	{0x3507, 0x00},
+	{0x3508, 0x00},
+	{0x3509, 0x80},
+	{0x350a, 0x00},
+	{0x350b, 0x00},
+	{0x350c, 0x00},
+	{0x350d, 0x00},
+	{0x350e, 0x00},
+	{0x350f, 0x80},
+	{0x3510, 0x00},
+	{0x3511, 0x00},
+	{0x3512, 0x00},
+	{0x3513, 0x00},
+	{0x3514, 0x00},
+	{0x3515, 0x80},
+	{0x3516, 0x00},
+	{0x3517, 0x00},
+	{0x3518, 0x00},
+	{0x3519, 0x00},
+	{0x351a, 0x00},
+	{0x351b, 0x80},
+	{0x351c, 0x00},
+	{0x351d, 0x00},
+	{0x351e, 0x00},
+	{0x351f, 0x00},
+	{0x3520, 0x00},
+	{0x3521, 0x80},
+	{0x3522, 0x08},
+	{0x3524, 0x08},
+	{0x3526, 0x08},
+	{0x3528, 0x08},
+	{0x352a, 0x08},
+	{0x3602, 0x00},
+	{0x3603, 0x40},
+	{0x3604, 0x02},
+	{0x3605, 0x00},
+	{0x3606, 0x00},
+	{0x3607, 0x00},
+	{0x3609, 0x12},
+	{0x360a, 0x40},
+	{0x360c, 0x08},
+	{0x360f, 0xe5},
+	{0x3608, 0x8f},
+	{0x3611, 0x00},
+	{0x3613, 0xf7},
+	{0x3616, 0x58},
+	{0x3619, 0x99},
+	{0x361b, 0x60},
+	{0x361c, 0x7a},
+	{0x361e, 0x79},
+	{0x361f, 0x02},
+	{0x3632, 0x00},
+	{0x3633, 0x10},
+	{0x3634, 0x10},
+	{0x3635, 0x10},
+	{0x3636, 0x15},
+	{0x3646, 0x86},
+	{0x364a, 0x0b},
+	{0x3700, 0x17},
+	{0x3701, 0x22},
+	{0x3703, 0x10},
+	{0x370a, 0x37},
+	{0x3705, 0x00},
+	{0x3706, 0x63},
+	{0x3709, 0x3c},
+	{0x370b, 0x01},
+	{0x370c, 0x30},
+	{0x3710, 0x24},
+	{0x3711, 0x0c},
+	{0x3716, 0x00},
+	{0x3720, 0x28},
+	{0x3729, 0x7b},
+	{0x372a, 0x84},
+	{0x372b, 0xbd},
+	{0x372c, 0xbc},
+	{0x372e, 0x52},
+	{0x373c, 0x0e},
+	{0x373e, 0x33},
+	{0x3743, 0x10},
+	{0x3744, 0x88},
+	{0x3745, 0xc0},
+	{0x374a, 0x43},
+	{0x374c, 0x00},
+	{0x374e, 0x23},
+	{0x3751, 0x7b},
+	{0x3752, 0x84},
+	{0x3753, 0xbd},
+	{0x3754, 0xbc},
+	{0x3756, 0x52},
+	{0x375c, 0x00},
+	{0x3760, 0x00},
+	{0x3761, 0x00},
+	{0x3762, 0x00},
+	{0x3763, 0x00},
+	{0x3764, 0x00},
+	{0x3767, 0x04},
+	{0x3768, 0x04},
+	{0x3769, 0x08},
+	{0x376a, 0x08},
+	{0x376b, 0x20},
+	{0x376c, 0x00},
+	{0x376d, 0x00},
+	{0x376e, 0x00},
+	{0x3773, 0x00},
+	{0x3774, 0x51},
+	{0x3776, 0xbd},
+	{0x3777, 0xbd},
+	{0x3781, 0x18},
+	{0x3783, 0x25},
+	{0x3798, 0x1b},
+	{0x3800, 0x00},
+	{0x3801, 0x08},
+	{0x3802, 0x00},
+	{0x3803, 0x04},
+	{0x3804, 0x0a},
+	{0x3805, 0x97},
+	{0x3806, 0x05},
+	{0x3807, 0xfb},
+	{0x3808, 0x0a},
+	{0x3809, 0x80},
+	{0x380a, 0x05},
+	{0x380b, 0xf0},
+	{0x380c, 0x03},
+	{0x380d, 0x5c},
+	{0x380e, 0x06},
+	{0x380f, 0x12},
+	{0x3810, 0x00},
+	{0x3811, 0x08},
+	{0x3812, 0x00},
+	{0x3813, 0x04},
+	{0x3814, 0x01},
+	{0x3815, 0x01},
+	{0x3819, 0x01},
+	{0x3820, 0x00},
+	{0x3821, 0x06},
+	{0x3829, 0x00},
+	{0x382a, 0x01},
+	{0x382b, 0x01},
+	{0x382d, 0x7f},
+	{0x3830, 0x04},
+	{0x3836, 0x01},
+	{0x3837, 0x00},
+	{0x3841, 0x02},
+	{0x3846, 0x08},
+	{0x3847, 0x07},
+	{0x3d85, 0x36},
+	{0x3d8c, 0x71},
+	{0x3d8d, 0xcb},
+	{0x3f0a, 0x00},
+	{0x4000, 0xf1},
+	{0x4001, 0x40},
+	{0x4002, 0x04},
+	{0x4003, 0x14},
+	{0x400e, 0x00},
+	{0x4011, 0x00},
+	{0x401a, 0x00},
+	{0x401b, 0x00},
+	{0x401c, 0x00},
+	{0x401d, 0x00},
+	{0x401f, 0x00},
+	{0x4020, 0x00},
+	{0x4021, 0x10},
+	{0x4022, 0x07},
+	{0x4023, 0xcf},
+	{0x4024, 0x09},
+	{0x4025, 0x60},
+	{0x4026, 0x09},
+	{0x4027, 0x6f},
+	{0x4028, 0x00},
+	{0x4029, 0x02},
+	{0x402a, 0x06},
+	{0x402b, 0x04},
+	{0x402c, 0x02},
+	{0x402d, 0x02},
+	{0x402e, 0x0e},
+	{0x402f, 0x04},
+	{0x4302, 0xff},
+	{0x4303, 0xff},
+	{0x4304, 0x00},
+	{0x4305, 0x00},
+	{0x4306, 0x00},
+	{0x4308, 0x02},
+	{0x4500, 0x6c},
+	{0x4501, 0xc4},
+	{0x4502, 0x40},
+	{0x4503, 0x01},
+	{0x4600, 0x00},
+	{0x4601, 0xA7},
+	/* bit[5]=0 as MIPI continuous clock mode */
+	{0x4800, 0x04},
+	{0x4813, 0x08},
+	{0x481f, 0x40},
+	{0x4829, 0x78},
+	/* global timing for 360Mbps */
+	{0x4837, 0x10},
+	{0x4b00, 0x2a},
+	{0x4b0d, 0x00},
+	{0x4d00, 0x04},
+	{0x4d01, 0x42},
+	{0x4d02, 0xd1},
+	{0x4d03, 0x93},
+	{0x4d04, 0xf5},
+	{0x4d05, 0xc1},
+	{0x5000, 0xf3},
+	{0x5001, 0x11},
+	{0x5004, 0x00},
+	{0x500a, 0x00},
+	{0x500b, 0x00},
+	{0x5032, 0x00},
+	{0x5040, 0x00},
+	{0x5050, 0x0c},
+	{0x5500, 0x00},
+	{0x5501, 0x10},
+	{0x5502, 0x01},
+	{0x5503, 0x0f},
+	{0x8000, 0x00},
+	{0x8001, 0x00},
+	{0x8002, 0x00},
+	{0x8003, 0x00},
+	{0x8004, 0x00},
+	{0x8005, 0x00},
+	{0x8006, 0x00},
+	{0x8007, 0x00},
+	{0x8008, 0x00},
+	{0x3638, 0x00},
+
+	{0x0100, 0x01},
+
+	{OV4689_TABLE_END, OV4689_TABLE_END}
+
+};
+
+static struct ov4689_reg ov4689_mode_1920x1080_initial[] = {
+	{0x0103, 0x01},
+	{0x3638, 0x00},
+	{0x0300, 0x00},
+	/* 792 Mbps MIPI_CLK */
+	{0x0302, 0x21},
+	{0x0304, 0x03},
+	{0x030b, 0x00},
+	{0x030d, 0x1e},
+	{0x030e, 0x04},
+	{0x030f, 0x01},
+	{0x0312, 0x01},
+	{0x031e, 0x00},
+	{0x3000, 0x20},
+	{0x3002, 0x00},
+	{0x3018, 0x72},
+	{0x3020, 0x93},
+	{0x3021, 0x03},
+	{0x3022, 0x01},
+	{0x3031, 0x0a},
+	{0x303f, 0x0c},
+	{0x3305, 0xf1},
+	{0x3307, 0x04},
+	{0x3309, 0x29},
+	{0x3500, 0x01},
+	{0x3501, 0x21},
+	{0x3502, 0x40},
+	{0x3503, 0x04},
+	{0x3504, 0x00},
+	{0x3505, 0x00},
+	{0x3506, 0x00},
+	{0x3507, 0x00},
+	{0x3508, 0x00},
+	{0x3509, 0x80},
+	{0x350a, 0x00},
+	{0x350b, 0x00},
+	{0x350c, 0x00},
+	{0x350d, 0x00},
+	{0x350e, 0x00},
+	{0x350f, 0x80},
+	{0x3510, 0x00},
+	{0x3511, 0x00},
+	{0x3512, 0x00},
+	{0x3513, 0x00},
+	{0x3514, 0x00},
+	{0x3515, 0x80},
+	{0x3516, 0x00},
+	{0x3517, 0x00},
+	{0x3518, 0x00},
+	{0x3519, 0x00},
+	{0x351a, 0x00},
+	{0x351b, 0x80},
+	{0x351c, 0x00},
+	{0x351d, 0x00},
+	{0x351e, 0x00},
+	{0x351f, 0x00},
+	{0x3520, 0x00},
+	{0x3521, 0x80},
+	{0x3522, 0x08},
+	{0x3524, 0x08},
+	{0x3526, 0x08},
+	{0x3528, 0x08},
+	{0x352a, 0x08},
+	{0x3602, 0x00},
+	{0x3603, 0x40},
+	{0x3604, 0x02},
+	{0x3605, 0x00},
+	{0x3606, 0x00},
+	{0x3607, 0x00},
+	{0x3609, 0x12},
+	{0x360a, 0x40},
+	{0x360c, 0x08},
+	{0x360f, 0xe5},
+	{0x3608, 0x8f},
+	{0x3611, 0x00},
+	{0x3613, 0xf7},
+	{0x3616, 0x58},
+	{0x3619, 0x99},
+	{0x361b, 0x60},
+	{0x361c, 0x7a},
+	{0x361e, 0x79},
+	{0x361f, 0x02},
+	{0x3632, 0x00},
+	{0x3633, 0x10},
+	{0x3634, 0x10},
+	{0x3635, 0x10},
+	{0x3636, 0x15},
+	{0x3646, 0x86},
+	{0x364a, 0x0b},
+	{0x3700, 0x17},
+	{0x3701, 0x22},
+	{0x3703, 0x10},
+	{0x370a, 0x37},
+	{0x3705, 0x00},
+	{0x3706, 0x63},
+	{0x3709, 0x3c},
+	{0x370b, 0x01},
+	{0x370c, 0x30},
+	{0x3710, 0x24},
+	{0x3711, 0x0c},
+	{0x3716, 0x00},
+	{0x3720, 0x28},
+	{0x3729, 0x7b},
+	{0x372a, 0x84},
+	{0x372b, 0xbd},
+	{0x372c, 0xbc},
+	{0x372e, 0x52},
+	{0x373c, 0x0e},
+	{0x373e, 0x33},
+	{0x3743, 0x10},
+	{0x3744, 0x88},
+	{0x3745, 0xc0},
+	{0x374a, 0x43},
+	{0x374c, 0x00},
+	{0x374e, 0x23},
+	{0x3751, 0x7b},
+	{0x3752, 0x84},
+	{0x3753, 0xbd},
+	{0x3754, 0xbc},
+	{0x3756, 0x52},
+	{0x375c, 0x00},
+	{0x3760, 0x00},
+	{0x3761, 0x00},
+	{0x3762, 0x00},
+	{0x3763, 0x00},
+	{0x3764, 0x00},
+	{0x3767, 0x04},
+	{0x3768, 0x04},
+	{0x3769, 0x08},
+	{0x376a, 0x08},
+	{0x376b, 0x20},
+	{0x376c, 0x00},
+	{0x376d, 0x00},
+	{0x376e, 0x00},
+	{0x3773, 0x00},
+	{0x3774, 0x51},
+	{0x3776, 0xbd},
+	{0x3777, 0xbd},
+	{0x3781, 0x18},
+	{0x3783, 0x25},
+	{0x3798, 0x1b},
+	{0x3800, 0x01},
+	{0x3801, 0x88},
+	{0x3802, 0x00},
+	{0x3803, 0xe0},
+	{0x3804, 0x09},
+	{0x3805, 0x17},
+	{0x3806, 0x05},
+	{0x3807, 0x1f},
+	{0x3808, 0x07},
+	{0x3809, 0x80},
+	{0x380a, 0x04},
+	{0x380b, 0x38},
+	{0x380c, 0x03},
+	{0x380d, 0x5c},
+	{0x380e, 0x12},
+	{0x380f, 0x1e},
+	{0x3810, 0x00},
+	{0x3811, 0x08},
+	{0x3812, 0x00},
+	{0x3813, 0x04},
+	{0x3814, 0x01},
+	{0x3815, 0x01},
+	{0x3819, 0x01},
+	{0x3820, 0x00},
+	{0x3821, 0x06},
+	{0x3829, 0x00},
+	{0x382a, 0x01},
+	{0x382b, 0x01},
+	{0x382d, 0x7f},
+	{0x3830, 0x04},
+	{0x3836, 0x01},
+	{0x3837, 0x00},
+	{0x3841, 0x02},
+	{0x3846, 0x08},
+	{0x3847, 0x07},
+	{0x3d85, 0x36},
+	{0x3d8c, 0x71},
+	{0x3d8d, 0xcb},
+	{0x3f0a, 0x00},
+	{0x4000, 0xf1},
+	{0x4001, 0x40},
+	{0x4002, 0x04},
+	{0x4003, 0x14},
+	{0x400e, 0x00},
+	{0x4011, 0x00},
+	{0x401a, 0x00},
+	{0x401b, 0x00},
+	{0x401c, 0x00},
+	{0x401d, 0x00},
+	{0x401f, 0x00},
+	{0x4020, 0x00},
+	{0x4021, 0x10},
+	{0x4022, 0x06},
+	{0x4023, 0x13},
+	{0x4024, 0x07},
+	{0x4025, 0x40},
+	{0x4026, 0x07},
+	{0x4027, 0x50},
+	{0x4028, 0x00},
+	{0x4029, 0x02},
+	{0x402a, 0x06},
+	{0x402b, 0x04},
+	{0x402c, 0x02},
+	{0x402d, 0x02},
+	{0x402e, 0x0e},
+	{0x402f, 0x04},
+	{0x4302, 0xff},
+	{0x4303, 0xff},
+	{0x4304, 0x00},
+	{0x4305, 0x00},
+	{0x4306, 0x00},
+	{0x4308, 0x02},
+	{0x4500, 0x6c},
+	{0x4501, 0xc4},
+	{0x4502, 0x40},
+	{0x4503, 0x01},
+	{0x4600, 0x00},
+	{0x4601, 0x77},
+	/* bit[5]=0 as MIPI continuous clock mode */
+	{0x4800, 0x04},
+	{0x4813, 0x08},
+	{0x481f, 0x40},
+	{0x4829, 0x78},
+	{0x4837, 0x14},
+	{0x4b00, 0x2a},
+	{0x4b0d, 0x00},
+	{0x4d00, 0x04},
+	{0x4d01, 0x42},
+	{0x4d02, 0xd1},
+	{0x4d03, 0x93},
+	{0x4d04, 0xf5},
+	{0x4d05, 0xc1},
+	{0x5000, 0xf3},
+	{0x5001, 0x11},
+	{0x5004, 0x00},
+	{0x500a, 0x00},
+	{0x500b, 0x00},
+	{0x5032, 0x00},
+	{0x5040, 0x00},
+	{0x5050, 0x0c},
+	{0x5500, 0x00},
+	{0x5501, 0x10},
+	{0x5502, 0x01},
+	{0x5503, 0x0f},
+	{0x8000, 0x00},
+	{0x8001, 0x00},
+	{0x8002, 0x00},
+	{0x8003, 0x00},
+	{0x8004, 0x00},
+	{0x8005, 0x00},
+	{0x8006, 0x00},
+	{0x8007, 0x00},
+	{0x8008, 0x00},
+	{0x3638, 0x00},
+
+	{0x0100, 0x01},
+
+
+	{OV4689_TABLE_END, OV4689_TABLE_END}
+};
+
+enum {
+	OV4689_MODE_2688x1520,
+	OV4689_MODE_1920x1080,
+};
+
+static struct ov4689_reg *mode_table[] = {
+	[OV4689_MODE_2688x1520] = ov4689_mode_2688x1520_initial,
+	[OV4689_MODE_1920x1080] = ov4689_mode_1920x1080_initial,
+};
+
+#endif